EP1193725A4 - Method for diagnosing abnormal condition of isolation transformer and device therefor - Google Patents
Method for diagnosing abnormal condition of isolation transformer and device thereforInfo
- Publication number
- EP1193725A4 EP1193725A4 EP01912154A EP01912154A EP1193725A4 EP 1193725 A4 EP1193725 A4 EP 1193725A4 EP 01912154 A EP01912154 A EP 01912154A EP 01912154 A EP01912154 A EP 01912154A EP 1193725 A4 EP1193725 A4 EP 1193725A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- abnormal condition
- isolation transformer
- device therefor
- diagnosing abnormal
- diagnosing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2829—Testing of circuits in sensor or actuator systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
- H01F2019/085—Transformer for galvanic isolation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000063436 | 2000-03-08 | ||
JP2000063436 | 2000-03-08 | ||
JP2000285891 | 2000-09-20 | ||
JP2000285891 | 2000-09-20 | ||
PCT/JP2001/001776 WO2001067471A1 (en) | 2000-03-08 | 2001-03-07 | Method for diagnosing abnormal condition of isolation transformer and device therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1193725A1 EP1193725A1 (en) | 2002-04-03 |
EP1193725A4 true EP1193725A4 (en) | 2005-10-12 |
EP1193725B1 EP1193725B1 (en) | 2009-06-24 |
Family
ID=26587018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01912154A Expired - Lifetime EP1193725B1 (en) | 2000-03-08 | 2001-03-07 | Method for diagnosing abnormal condition of isolation transformer and device therefor |
Country Status (6)
Country | Link |
---|---|
US (1) | US6661238B2 (en) |
EP (1) | EP1193725B1 (en) |
JP (1) | JP4593053B2 (en) |
CA (1) | CA2373434C (en) |
DE (1) | DE60139060D1 (en) |
WO (1) | WO2001067471A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2373434C (en) | 2000-03-08 | 2008-05-06 | The Furukawa Electric Co., Ltd | Abnormality diagnosis method and apparatus for separable transformer |
JP5714455B2 (en) | 2011-08-31 | 2015-05-07 | ルネサスエレクトロニクス株式会社 | Semiconductor integrated circuit |
JP5728343B2 (en) * | 2011-09-15 | 2015-06-03 | 一般財団法人電力中央研究所 | Transformer soundness diagnosis method and soundness diagnosis device |
CN102628930A (en) * | 2012-04-12 | 2012-08-08 | 山西省机电设计研究院 | Automatic detection line for mutual inductor |
CN102749606B (en) * | 2012-06-18 | 2015-02-04 | 北京航空航天大学 | Measurement method and device for optical voltage transformer dynamic property research |
CN102854486B (en) * | 2012-09-26 | 2014-12-03 | 湖北省电力公司电力科学研究院 | On-site initiative error-verification system for voltage transformer and method thereof |
CN103344935B (en) * | 2013-05-10 | 2016-04-13 | 国家电网公司 | Full-automatic low-voltage current transformer test termination |
CN105203983B (en) * | 2015-10-30 | 2018-02-13 | 江苏省电力公司电力科学研究院 | Flexible alterating and direct current minor mutual-inductor calibration device based on mixing sampling |
US10148181B2 (en) | 2016-10-07 | 2018-12-04 | Semiconductor Components Industries, Llc | Switched mode power supply with dynamic frequency foldback |
KR102414449B1 (en) * | 2017-09-20 | 2022-06-30 | 현대자동차주식회사 | Connection cable, diagnoisis appratus for connection of antenna, vehicle including the same and method for the same |
CN108120895A (en) * | 2018-01-15 | 2018-06-05 | 云南电网有限责任公司电力科学研究院 | A kind of wave of oscillation detection deformation of transformer winding circuit and method |
DE102019200333A1 (en) * | 2019-01-14 | 2020-07-16 | Phoenix Contact Gmbh & Co. Kg | Measuring system for recording faults on the lines of a device or system |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4973912A (en) * | 1988-04-15 | 1990-11-27 | Daimler-Benz Aktiengesellschaft | Method for contactless measurement of a resistance arranged in the secondary circuit of a transformer and device for carrying out the method |
JPH0636940A (en) * | 1992-07-15 | 1994-02-10 | Yaskawa Electric Corp | Rotary equipment containing transmission mechanism of electric power and signal |
WO1997006979A2 (en) * | 1995-08-19 | 1997-02-27 | Robert Bosch Gmbh | System for checking the resistance of a load connected to a transformer |
EP0787996A1 (en) * | 1995-07-19 | 1997-08-06 | The Nippon Signal Co. Ltd. | Apparatus for detecting discontinuity of ground conductor and leak detector having function of detecting discontinuity of ground conductor |
US5734269A (en) * | 1994-08-08 | 1998-03-31 | The Nippon Signal Co., Ltd. | Bridge circuit fault monitoring apparatus using an output signal level from a bridge circuit and a power source current level to determine faults |
WO1998036285A1 (en) * | 1997-02-13 | 1998-08-20 | Robert Bosch Gmbh | Method for measuring resistance of a load connected to a rotation transformer |
JPH10227827A (en) * | 1997-02-14 | 1998-08-25 | Yaskawa Electric Corp | Device for detecting disconnection of noncontact power-signal transmission apparatus |
US5917163A (en) * | 1995-10-20 | 1999-06-29 | Ut Automotive Dearborn, Inc. | Modular steering wheel assembly with integrated switch housing |
US5934704A (en) * | 1994-04-26 | 1999-08-10 | Eaton Corporation | Vehicle steering column control system |
US5969432A (en) * | 1995-10-20 | 1999-10-19 | Robert Bosch Gmbh | Arrangement for controlling a load connected to the secondary side of a transformer |
US6007355A (en) * | 1996-09-13 | 1999-12-28 | The Furukawa Electric Co., Ltd. | Rotary connector for connecting cables |
EP1000812A2 (en) * | 1998-11-12 | 2000-05-17 | Alps Electric Co., Ltd. | Non-conductor type signal transmission device |
EP1005052A1 (en) * | 1998-06-10 | 2000-05-31 | The Furukawa Electric Co., Ltd. | Method of assembling isolation transformer |
EP1052743A1 (en) * | 1999-05-14 | 2000-11-15 | Alps Electric Co., Ltd. | Vehicle-mounted rotary connector |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5123015A (en) * | 1974-08-21 | 1976-02-24 | Japan National Railway | |
JP2910277B2 (en) * | 1991-03-13 | 1999-06-23 | 松下電器産業株式会社 | Converter transformer inspection equipment |
JP3505789B2 (en) * | 1994-06-03 | 2004-03-15 | 株式会社デンソー | Failure diagnosis circuit for occupant protection device and its diagnosis method |
KR100533494B1 (en) * | 1998-03-27 | 2005-12-06 | 후루까와덴끼고오교 가부시끼가이샤 | Separation type transformer core |
CA2373434C (en) | 2000-03-08 | 2008-05-06 | The Furukawa Electric Co., Ltd | Abnormality diagnosis method and apparatus for separable transformer |
-
2001
- 2001-03-07 CA CA002373434A patent/CA2373434C/en not_active Expired - Fee Related
- 2001-03-07 JP JP2001566151A patent/JP4593053B2/en not_active Expired - Fee Related
- 2001-03-07 WO PCT/JP2001/001776 patent/WO2001067471A1/en active Application Filing
- 2001-03-07 DE DE60139060T patent/DE60139060D1/en not_active Expired - Lifetime
- 2001-03-07 EP EP01912154A patent/EP1193725B1/en not_active Expired - Lifetime
- 2001-10-30 US US10/016,303 patent/US6661238B2/en not_active Expired - Fee Related
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4973912A (en) * | 1988-04-15 | 1990-11-27 | Daimler-Benz Aktiengesellschaft | Method for contactless measurement of a resistance arranged in the secondary circuit of a transformer and device for carrying out the method |
JPH0636940A (en) * | 1992-07-15 | 1994-02-10 | Yaskawa Electric Corp | Rotary equipment containing transmission mechanism of electric power and signal |
US5934704A (en) * | 1994-04-26 | 1999-08-10 | Eaton Corporation | Vehicle steering column control system |
US5734269A (en) * | 1994-08-08 | 1998-03-31 | The Nippon Signal Co., Ltd. | Bridge circuit fault monitoring apparatus using an output signal level from a bridge circuit and a power source current level to determine faults |
EP0787996A1 (en) * | 1995-07-19 | 1997-08-06 | The Nippon Signal Co. Ltd. | Apparatus for detecting discontinuity of ground conductor and leak detector having function of detecting discontinuity of ground conductor |
WO1997006979A2 (en) * | 1995-08-19 | 1997-02-27 | Robert Bosch Gmbh | System for checking the resistance of a load connected to a transformer |
US5969432A (en) * | 1995-10-20 | 1999-10-19 | Robert Bosch Gmbh | Arrangement for controlling a load connected to the secondary side of a transformer |
US5917163A (en) * | 1995-10-20 | 1999-06-29 | Ut Automotive Dearborn, Inc. | Modular steering wheel assembly with integrated switch housing |
US6007355A (en) * | 1996-09-13 | 1999-12-28 | The Furukawa Electric Co., Ltd. | Rotary connector for connecting cables |
WO1998036285A1 (en) * | 1997-02-13 | 1998-08-20 | Robert Bosch Gmbh | Method for measuring resistance of a load connected to a rotation transformer |
JPH10227827A (en) * | 1997-02-14 | 1998-08-25 | Yaskawa Electric Corp | Device for detecting disconnection of noncontact power-signal transmission apparatus |
EP1005052A1 (en) * | 1998-06-10 | 2000-05-31 | The Furukawa Electric Co., Ltd. | Method of assembling isolation transformer |
EP1000812A2 (en) * | 1998-11-12 | 2000-05-17 | Alps Electric Co., Ltd. | Non-conductor type signal transmission device |
EP1052743A1 (en) * | 1999-05-14 | 2000-11-15 | Alps Electric Co., Ltd. | Vehicle-mounted rotary connector |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 252 (E - 1547) 13 May 1994 (1994-05-13) * |
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 13 30 November 1998 (1998-11-30) * |
See also references of WO0167471A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE60139060D1 (en) | 2009-08-06 |
EP1193725B1 (en) | 2009-06-24 |
WO2001067471A1 (en) | 2001-09-13 |
CA2373434A1 (en) | 2001-09-13 |
US20020047714A1 (en) | 2002-04-25 |
JP4593053B2 (en) | 2010-12-08 |
EP1193725A1 (en) | 2002-04-03 |
US6661238B2 (en) | 2003-12-09 |
CA2373434C (en) | 2008-05-06 |
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